Home / 605,432.32-834,623.88-423,580.84

Finding the Fourth Proportional to 605,432.32, 834,623.88 and 423,580.84

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Solution

The fourth proportional to 605,432.32, 834,623.88 and 423,580.84 is: 583,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,432.32 : 834,623.88 = 423,580.84 : x
  2. Step 2: Convert to fraction form
    605,432.32/834,623.88 = 423,580.84/x
  3. Step 3: Cross multiply
    605,432.32x = 834,623.88 × 423,580.84
  4. Step 4: Simplify right side
    605,432.32x = 353,530,684,174.46
  5. Step 5: Solve for x
    x = 353,530,684,174.46/605,432.32
  6. Step 6: Final answer
    x = 583,930.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.